Home / 1,546.31-2,319.36-622.28

Finding the Fourth Proportional to 1,546.31, 2,319.36 and 622.28

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Solution

The fourth proportional to 1,546.31, 2,319.36 and 622.28 is: 933.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.31 : 2,319.36 = 622.28 : x
  2. Step 2: Convert to fraction form
    1,546.31/2,319.36 = 622.28/x
  3. Step 3: Cross multiply
    1,546.31x = 2,319.36 × 622.28
  4. Step 4: Simplify right side
    1,546.31x = 1,443,291.34
  5. Step 5: Solve for x
    x = 1,443,291.34/1,546.31
  6. Step 6: Final answer
    x = 933.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.